/* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000)
- Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of GAS, the GNU Assembler.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#include <stdio.h>
#include "as.h"
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
-/* '+' and '-' can be used as postfix predicate predictors for conditional
- branches. So they need to be accepted as symbol characters. */
-const char ppc_symbol_chars[] = "+-";
+/* '+' and '-' can be used as postfix predicate predictors for conditional
+ branches. So they need to be accepted as symbol characters.
+ Also, anything that can start an operand needs to be mentioned here,
+ to stop the input scrubber eating whitespace. */
+const char ppc_symbol_chars[] = "+-%[";
/* The dwarf2 data alignment, adjusted for 32 or 64 bit. */
int ppc_cie_data_alignment;
|| strcmp (arg, "7455") == 0)
ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
| PPC_OPCODE_ALTIVEC | PPC_OPCODE_32);
+ else if (strcmp (arg, "e300") == 0)
+ ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32
+ | PPC_OPCODE_E300);
else if (strcmp (arg, "altivec") == 0)
{
if (ppc_cpu == 0)
ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
| PPC_OPCODE_64 | PPC_OPCODE_POWER4);
}
+ else if (strcmp (arg, "power5") == 0)
+ {
+ ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
+ | PPC_OPCODE_64 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_POWER5);
+ }
/* -mcom means assemble for the common intersection between Power
and PowerPC. At present, we just allow the union, rather
than the intersection. */
-mbooke64 generate code for 64-bit PowerPC BookE\n\
-mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\
-mpower4 generate code for Power4 architecture\n\
+-mpower5 generate code for Power5 architecture\n\
-mcom generate code Power/PowerPC common instructions\n\
-many generate code for any architecture (PWR/PWRX/PPC)\n"));
fprintf (stream, _("\
-maltivec generate code for AltiVec\n\
+-me300 generate code for PowerPC e300 family\n\
-me500, -me500x2 generate code for Motorola e500 core complex\n\
-mspe generate code for Motorola SPE instructions\n\
-mregnames Allow symbolic names for registers\n\
else if (strcmp (default_cpu, "rs6000") == 0)
ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32;
else if (strncmp (default_cpu, "powerpc", 7) == 0)
- {
- if (default_cpu[7] == '6' && default_cpu[8] == '4')
- ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
- else
- ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
- }
+ ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
else
as_fatal (_("Unknown default cpu = %s, os = %s"),
default_cpu, default_os);
}
}
-/* Figure out the BFD architecture to use. */
+/* Figure out the BFD architecture to use. This function and ppc_mach
+ are called well before md_begin, when the output file is opened. */
enum bfd_architecture
ppc_arch ()
#endif
#endif
#ifdef OBJ_ELF
+# ifdef TE_VXWORKS
+ return "elf32-powerpc-vxworks";
+# else
return (target_big_endian
? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc")
: (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle"));
+# endif
#endif
}
|| (ppc_cpu & PPC_OPCODE_BOOKE) == 0)
&& ((op->flags & (PPC_OPCODE_POWER4 | PPC_OPCODE_NOPOWER4)) == 0
|| ((op->flags & PPC_OPCODE_POWER4)
- == (ppc_cpu & PPC_OPCODE_POWER4))))
+ == (ppc_cpu & PPC_OPCODE_POWER4)))
+ && ((op->flags & PPC_OPCODE_POWER5) == 0
+ || ((op->flags & PPC_OPCODE_POWER5)
+ == (ppc_cpu & PPC_OPCODE_POWER5))))
{
const char *retval;
ppc_setup_opcodes ();
- /* Tell the main code what the endianness is if it is not overidden
+ /* Tell the main code what the endianness is if it is not overridden
by the user. */
if (!set_target_endian)
{
test = val;
if (test < (offsetT) min || test > (offsetT) max)
- {
- const char *err =
- _("operand out of range (%s not between %ld and %ld)");
- char buf[100];
-
- sprint_value (buf, test);
- as_bad_where (file, line, err, buf, min, max);
- }
+ as_bad_value_out_of_range (_("operand"), test, (offsetT) min, (offsetT) max, file, line);
}
if (operand->insert)
{
struct map_bfd {
char *string;
- int length;
- int reloc;
+ unsigned int length : 8;
+ unsigned int valid32 : 1;
+ unsigned int valid64 : 1;
+ unsigned int reloc;
};
char ident[20];
int len;
const struct map_bfd *ptr;
-#define MAP(str,reloc) { str, sizeof (str)-1, reloc }
+#define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc }
+#define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc }
+#define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc }
static const struct map_bfd mapping[] = {
- MAP ("l", (int) BFD_RELOC_LO16),
- MAP ("h", (int) BFD_RELOC_HI16),
- MAP ("ha", (int) BFD_RELOC_HI16_S),
- MAP ("brtaken", (int) BFD_RELOC_PPC_B16_BRTAKEN),
- MAP ("brntaken", (int) BFD_RELOC_PPC_B16_BRNTAKEN),
- MAP ("got", (int) BFD_RELOC_16_GOTOFF),
- MAP ("got@l", (int) BFD_RELOC_LO16_GOTOFF),
- MAP ("got@h", (int) BFD_RELOC_HI16_GOTOFF),
- MAP ("got@ha", (int) BFD_RELOC_HI16_S_GOTOFF),
- MAP ("fixup", (int) BFD_RELOC_CTOR),
- MAP ("plt", (int) BFD_RELOC_24_PLT_PCREL),
- MAP ("pltrel24", (int) BFD_RELOC_24_PLT_PCREL),
- MAP ("copy", (int) BFD_RELOC_PPC_COPY),
- MAP ("globdat", (int) BFD_RELOC_PPC_GLOB_DAT),
- MAP ("local24pc", (int) BFD_RELOC_PPC_LOCAL24PC),
- MAP ("local", (int) BFD_RELOC_PPC_LOCAL24PC),
- MAP ("pltrel", (int) BFD_RELOC_32_PLT_PCREL),
- MAP ("plt@l", (int) BFD_RELOC_LO16_PLTOFF),
- MAP ("plt@h", (int) BFD_RELOC_HI16_PLTOFF),
- MAP ("plt@ha", (int) BFD_RELOC_HI16_S_PLTOFF),
- MAP ("sdarel", (int) BFD_RELOC_GPREL16),
- MAP ("sectoff", (int) BFD_RELOC_16_BASEREL),
- MAP ("sectoff@l", (int) BFD_RELOC_LO16_BASEREL),
- MAP ("sectoff@h", (int) BFD_RELOC_HI16_BASEREL),
- MAP ("sectoff@ha", (int) BFD_RELOC_HI16_S_BASEREL),
- MAP ("naddr", (int) BFD_RELOC_PPC_EMB_NADDR32),
- MAP ("naddr16", (int) BFD_RELOC_PPC_EMB_NADDR16),
- MAP ("naddr@l", (int) BFD_RELOC_PPC_EMB_NADDR16_LO),
- MAP ("naddr@h", (int) BFD_RELOC_PPC_EMB_NADDR16_HI),
- MAP ("naddr@ha", (int) BFD_RELOC_PPC_EMB_NADDR16_HA),
- MAP ("sdai16", (int) BFD_RELOC_PPC_EMB_SDAI16),
- MAP ("sda2rel", (int) BFD_RELOC_PPC_EMB_SDA2REL),
- MAP ("sda2i16", (int) BFD_RELOC_PPC_EMB_SDA2I16),
- MAP ("sda21", (int) BFD_RELOC_PPC_EMB_SDA21),
- MAP ("mrkref", (int) BFD_RELOC_PPC_EMB_MRKREF),
- MAP ("relsect", (int) BFD_RELOC_PPC_EMB_RELSEC16),
- MAP ("relsect@l", (int) BFD_RELOC_PPC_EMB_RELST_LO),
- MAP ("relsect@h", (int) BFD_RELOC_PPC_EMB_RELST_HI),
- MAP ("relsect@ha", (int) BFD_RELOC_PPC_EMB_RELST_HA),
- MAP ("bitfld", (int) BFD_RELOC_PPC_EMB_BIT_FLD),
- MAP ("relsda", (int) BFD_RELOC_PPC_EMB_RELSDA),
- MAP ("xgot", (int) BFD_RELOC_PPC_TOC16),
- MAP ("tls", (int) BFD_RELOC_PPC_TLS),
- MAP ("dtpmod", (int) BFD_RELOC_PPC_DTPMOD),
- MAP ("dtprel", (int) BFD_RELOC_PPC_DTPREL),
- MAP ("dtprel@l", (int) BFD_RELOC_PPC_DTPREL16_LO),
- MAP ("dtprel@h", (int) BFD_RELOC_PPC_DTPREL16_HI),
- MAP ("dtprel@ha", (int) BFD_RELOC_PPC_DTPREL16_HA),
- MAP ("tprel", (int) BFD_RELOC_PPC_TPREL),
- MAP ("tprel@l", (int) BFD_RELOC_PPC_TPREL16_LO),
- MAP ("tprel@h", (int) BFD_RELOC_PPC_TPREL16_HI),
- MAP ("tprel@ha", (int) BFD_RELOC_PPC_TPREL16_HA),
- MAP ("got@tlsgd", (int) BFD_RELOC_PPC_GOT_TLSGD16),
- MAP ("got@tlsgd@l", (int) BFD_RELOC_PPC_GOT_TLSGD16_LO),
- MAP ("got@tlsgd@h", (int) BFD_RELOC_PPC_GOT_TLSGD16_HI),
- MAP ("got@tlsgd@ha", (int) BFD_RELOC_PPC_GOT_TLSGD16_HA),
- MAP ("got@tlsld", (int) BFD_RELOC_PPC_GOT_TLSLD16),
- MAP ("got@tlsld@l", (int) BFD_RELOC_PPC_GOT_TLSLD16_LO),
- MAP ("got@tlsld@h", (int) BFD_RELOC_PPC_GOT_TLSLD16_HI),
- MAP ("got@tlsld@ha", (int) BFD_RELOC_PPC_GOT_TLSLD16_HA),
- MAP ("got@dtprel", (int) BFD_RELOC_PPC_GOT_DTPREL16),
- MAP ("got@dtprel@l", (int) BFD_RELOC_PPC_GOT_DTPREL16_LO),
- MAP ("got@dtprel@h", (int) BFD_RELOC_PPC_GOT_DTPREL16_HI),
- MAP ("got@dtprel@ha", (int) BFD_RELOC_PPC_GOT_DTPREL16_HA),
- MAP ("got@tprel", (int) BFD_RELOC_PPC_GOT_TPREL16),
- MAP ("got@tprel@l", (int) BFD_RELOC_PPC_GOT_TPREL16_LO),
- MAP ("got@tprel@h", (int) BFD_RELOC_PPC_GOT_TPREL16_HI),
- MAP ("got@tprel@ha", (int) BFD_RELOC_PPC_GOT_TPREL16_HA),
- /* The following are only valid for ppc64. Negative values are
- used instead of a flag. */
- MAP ("higher", - (int) BFD_RELOC_PPC64_HIGHER),
- MAP ("highera", - (int) BFD_RELOC_PPC64_HIGHER_S),
- MAP ("highest", - (int) BFD_RELOC_PPC64_HIGHEST),
- MAP ("highesta", - (int) BFD_RELOC_PPC64_HIGHEST_S),
- MAP ("tocbase", - (int) BFD_RELOC_PPC64_TOC),
- MAP ("toc", - (int) BFD_RELOC_PPC_TOC16),
- MAP ("toc@l", - (int) BFD_RELOC_PPC64_TOC16_LO),
- MAP ("toc@h", - (int) BFD_RELOC_PPC64_TOC16_HI),
- MAP ("toc@ha", - (int) BFD_RELOC_PPC64_TOC16_HA),
- MAP ("dtprel@higher", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHER),
- MAP ("dtprel@highera", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHERA),
- MAP ("dtprel@highest", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHEST),
- MAP ("dtprel@highesta", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHESTA),
- MAP ("tprel@higher", - (int) BFD_RELOC_PPC64_TPREL16_HIGHER),
- MAP ("tprel@highera", - (int) BFD_RELOC_PPC64_TPREL16_HIGHERA),
- MAP ("tprel@highest", - (int) BFD_RELOC_PPC64_TPREL16_HIGHEST),
- MAP ("tprel@highesta", - (int) BFD_RELOC_PPC64_TPREL16_HIGHESTA),
- { (char *) 0, 0, (int) BFD_RELOC_UNUSED }
+ MAP ("l", BFD_RELOC_LO16),
+ MAP ("h", BFD_RELOC_HI16),
+ MAP ("ha", BFD_RELOC_HI16_S),
+ MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN),
+ MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN),
+ MAP ("got", BFD_RELOC_16_GOTOFF),
+ MAP ("got@l", BFD_RELOC_LO16_GOTOFF),
+ MAP ("got@h", BFD_RELOC_HI16_GOTOFF),
+ MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF),
+ MAP ("plt@l", BFD_RELOC_LO16_PLTOFF),
+ MAP ("plt@h", BFD_RELOC_HI16_PLTOFF),
+ MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF),
+ MAP ("copy", BFD_RELOC_PPC_COPY),
+ MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT),
+ MAP ("sectoff", BFD_RELOC_16_BASEREL),
+ MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL),
+ MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL),
+ MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL),
+ MAP ("tls", BFD_RELOC_PPC_TLS),
+ MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD),
+ MAP ("dtprel", BFD_RELOC_PPC_DTPREL),
+ MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO),
+ MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI),
+ MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA),
+ MAP ("tprel", BFD_RELOC_PPC_TPREL),
+ MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO),
+ MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI),
+ MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA),
+ MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16),
+ MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO),
+ MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI),
+ MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA),
+ MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16),
+ MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO),
+ MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI),
+ MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA),
+ MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16),
+ MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO),
+ MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI),
+ MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA),
+ MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16),
+ MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO),
+ MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI),
+ MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA),
+ MAP32 ("fixup", BFD_RELOC_CTOR),
+ MAP32 ("plt", BFD_RELOC_24_PLT_PCREL),
+ MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL),
+ MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC),
+ MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC),
+ MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL),
+ MAP32 ("sdarel", BFD_RELOC_GPREL16),
+ MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32),
+ MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16),
+ MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO),
+ MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI),
+ MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA),
+ MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16),
+ MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL),
+ MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16),
+ MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21),
+ MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF),
+ MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16),
+ MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO),
+ MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI),
+ MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA),
+ MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD),
+ MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA),
+ MAP32 ("xgot", BFD_RELOC_PPC_TOC16),
+ MAP64 ("higher", BFD_RELOC_PPC64_HIGHER),
+ MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S),
+ MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST),
+ MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S),
+ MAP64 ("tocbase", BFD_RELOC_PPC64_TOC),
+ MAP64 ("toc", BFD_RELOC_PPC_TOC16),
+ MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO),
+ MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI),
+ MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA),
+ MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER),
+ MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA),
+ MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST),
+ MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA),
+ MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER),
+ MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA),
+ MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST),
+ MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA),
+ { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED }
};
if (*str++ != '@')
for (ptr = &mapping[0]; ptr->length > 0; ptr++)
if (ch == ptr->string[0]
&& len == ptr->length
- && memcmp (ident, ptr->string, ptr->length) == 0)
+ && memcmp (ident, ptr->string, ptr->length) == 0
+ && (ppc_obj64 ? ptr->valid64 : ptr->valid32))
{
int reloc = ptr->reloc;
- if (reloc < 0)
- {
- if (!ppc_obj64)
- return BFD_RELOC_UNUSED;
- reloc = -reloc;
- }
-
if (!ppc_obj64)
if (exp_p->X_add_number != 0
&& (reloc == (int) BFD_RELOC_16_GOTOFF
ppc_frob_file_before_adjust ()
{
symbolS *symp;
+ asection *toc;
if (!ppc_obj64)
return;
dotname = xmalloc (len + 1);
dotname[0] = '.';
memcpy (dotname + 1, name, len);
- dotsym = symbol_find (dotname);
+ dotsym = symbol_find_noref (dotname, 1);
free (dotname);
if (dotsym != NULL && (symbol_used_p (dotsym)
|| symbol_used_in_reloc_p (dotsym)))
- {
- symbol_mark_used (symp);
- }
+ symbol_mark_used (symp);
+
}
+ toc = bfd_get_section_by_name (stdoutput, ".toc");
+ if (toc != NULL
+ && bfd_section_size (stdoutput, toc) > 0x10000)
+ as_warn (_("TOC section size exceeds 64k"));
+
/* Don't emit .TOC. symbol. */
symp = symbol_find (".TOC.");
if (symp != NULL)
struct ppc_fixup fixups[MAX_INSN_FIXUPS];
int fc;
char *f;
+ int addr_mod;
int i;
#ifdef OBJ_ELF
bfd_reloc_code_real_type reloc;
/* PowerPC operands are just expressions. The only real issue is
that a few operand types are optional. All cases which might use
- an optional operand separate the operands only with commas (in
- some cases parentheses are used, as in ``lwz 1,0(1)'' but such
- cases never have optional operands). There is never more than
- one optional operand for an instruction. So, before we start
- seriously parsing the operands, we check to see if we have an
- optional operand, and, if we do, we count the number of commas to
- see whether the operand should be omitted. */
+ an optional operand separate the operands only with commas (in some
+ cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never
+ have optional operands). Most instructions with optional operands
+ have only one. Those that have more than one optional operand can
+ take either all their operands or none. So, before we start seriously
+ parsing the operands, we check to see if we have optional operands,
+ and if we do, we count the number of commas to see which operands
+ have been omitted. */
skip_optional = 0;
for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
{
/* If there are fewer operands in the line then are called
for by the instruction, we want to skip the optional
- operand. */
+ operands. */
if (opcount < num_operands_expected)
skip_optional = 1;
/* Write out the instruction. */
f = frag_more (4);
+ addr_mod = frag_now_fix () & 3;
+ if (frag_now->has_code && frag_now->insn_addr != addr_mod)
+ as_bad (_("instruction address is not a multiple of 4"));
+ frag_now->insn_addr = addr_mod;
+ frag_now->has_code = 1;
md_number_to_chars (f, insn, 4);
#ifdef OBJ_ELF
BFD_RELOC_UNUSED plus the operand index. This lets us easily
handle fixups for any operand type, although that is admittedly
not a very exciting feature. We pick a BFD reloc type in
- md_apply_fix3. */
+ md_apply_fix. */
for (i = 0; i < fc; i++)
{
const struct powerpc_operand *operand;
/* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common
symbols in the .bss segment as though they were local common
- symbols, and uses a different smclas. The native Aix 4.3.3 assember
+ symbols, and uses a different smclas. The native Aix 4.3.3 assembler
aligns .comm and .lcomm to 4 bytes. */
static void
/* The .function pseudo-op. This takes several arguments. The first
argument seems to be the external name of the symbol. The second
- argment seems to be the label for the start of the function. gcc
+ argument seems to be the label for the start of the function. gcc
uses the same name for both. I have no idea what the third and
fourth arguments are meant to be. The optional fifth argument is
an expression for the size of the function. In COFF this symbol
{
S_SET_VALUE (symbolP, (valueT) temp);
S_SET_EXTERNAL (symbolP);
+ S_SET_SEGMENT (symbolP, bfd_com_section_ptr);
}
demand_empty_rest_of_line ();
&symbol_rootP, &symbol_lastP);
symbol_get_tc (ppc_current_csect)->within = sym;
}
+
+#ifdef OBJ_ELF
+ dwarf2_emit_label (sym);
+#endif
}
/* This variable is set by ppc_frob_symbol if any absolute symbols are
table. */
if (! symbol_used_in_reloc_p (sym)
&& ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0
- || (! S_IS_EXTERNAL (sym)
+ || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
&& ! symbol_get_tc (sym)->output
&& S_GET_STORAGE_CLASS (sym) != C_FILE)))
return 1;
}
}
- if (! S_IS_EXTERNAL (sym)
+ if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
&& (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0
&& S_GET_STORAGE_CLASS (sym) != C_FILE
&& S_GET_STORAGE_CLASS (sym) != C_FCN
case BFD_RELOC_PPC_B16_BRNTAKEN:
case BFD_RELOC_PPC_BA16_BRTAKEN:
case BFD_RELOC_PPC_BA16_BRNTAKEN:
+ case BFD_RELOC_24_PLT_PCREL:
case BFD_RELOC_PPC64_TOC:
return 1;
default:
&& fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT
&& fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY
&& !(fix->fx_r_type >= BFD_RELOC_PPC_TLS
- && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)
- && (fix->fx_pcrel
- || (fix->fx_subsy != NULL
- && (S_GET_SEGMENT (fix->fx_subsy)
- == S_GET_SEGMENT (fix->fx_addsy)))
- || S_IS_LOCAL (fix->fx_addsy)));
+ && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA));
}
#endif
fixup. */
void
-md_apply_fix3 (fixP, valP, seg)
+md_apply_fix (fixP, valP, seg)
fixS *fixP;
valueT * valP;
segT seg ATTRIBUTE_UNUSED;
fixP->fx_done = 1;
#else
/* FIXME FIXME FIXME: The value we are passed in *valP includes
- the symbol values. Since we are using BFD_ASSEMBLER, if we are
- doing this relocation the code in write.c is going to call
- bfd_install_relocation, which is also going to use the symbol
- value. That means that if the reloc is fully resolved we want to
- use *valP since bfd_install_relocation is not being used.
+ the symbol values. If we are doing this relocation the code in
+ write.c is going to call bfd_install_relocation, which is also
+ going to use the symbol value. That means that if the reloc is
+ fully resolved we want to use *valP since bfd_install_relocation is
+ not being used.
However, if the reloc is not fully resolved we do not want to use
*valP, and must use fx_offset instead. However, if the reloc
is PC relative, we do want to use *valP since it includes the
value, 8);
break;
- case BFD_RELOC_LO16:
- case BFD_RELOC_16:
case BFD_RELOC_GPREL16:
case BFD_RELOC_16_GOT_PCREL:
case BFD_RELOC_16_GOTOFF:
value, 2);
break;
+ case BFD_RELOC_16:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_16_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_16_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 2);
+ break;
+
+ case BFD_RELOC_LO16:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_LO16_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_LO16_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 2);
+ break;
+
/* This case happens when you write, for example,
lis %r3,(L1-L2)@ha
where L1 and L2 are defined later. */
case BFD_RELOC_HI16:
if (fixP->fx_pcrel)
- abort ();
+ fixP->fx_r_type = BFD_RELOC_HI16_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_HI16_PCREL:
md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
PPC_HI (value), 2);
break;
case BFD_RELOC_HI16_S:
if (fixP->fx_pcrel)
- abort ();
+ fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_HI16_S_PCREL:
md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
PPC_HA (value), 2);
break;
if (fixP->fx_pcrel)
abort ();
{
- unsigned char *where = fixP->fx_frag->fr_literal + fixP->fx_where;
+ char *where = fixP->fx_frag->fr_literal + fixP->fx_where;
unsigned long val, mask;
if (target_big_endian)
break;
case BFD_RELOC_PPC_TLS:
+ break;
+
case BFD_RELOC_PPC_DTPMOD:
case BFD_RELOC_PPC_TPREL16:
case BFD_RELOC_PPC_TPREL16_LO:
case BFD_RELOC_PPC64_DTPREL16_HIGHERA:
case BFD_RELOC_PPC64_DTPREL16_HIGHEST:
case BFD_RELOC_PPC64_DTPREL16_HIGHESTA:
+ S_SET_THREAD_LOCAL (fixP->fx_addsy);
break;
#endif
/* Because SDA21 modifies the register field, the size is set to 4
case BFD_RELOC_8:
if (fixP->fx_pcrel)
- abort ();
-
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- value, 1);
+ {
+ /* This can occur if there is a bug in the input assembler, eg:
+ ".byte <undefined_symbol> - ." */
+ if (fixP->fx_addsy)
+ as_bad (_("Unable to handle reference to symbol %s"),
+ S_GET_NAME (fixP->fx_addsy));
+ else
+ as_bad (_("Unable to resolve expression"));
+ fixP->fx_done = 1;
+ }
+ else
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 1);
break;
case BFD_RELOC_24_PLT_PCREL:
#ifdef OBJ_ELF
fixP->fx_addnumber = value;
+
+ /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately
+ from the section contents. If we are going to be emitting a reloc
+ then the section contents are immaterial, so don't warn if they
+ happen to overflow. Leave such warnings to ld. */
+ if (!fixP->fx_done)
+ fixP->fx_no_overflow = 1;
#else
if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16)
fixP->fx_addnumber = 0;
{
{ "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 },
{ "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 },
- { "cc", 68 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 },
+ { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 },
{ "spe_acc", 111 }, { "spefscr", 112 }
};
if (p == q || *q || regnum >= 32)
return -1;
if (regname[0] == 'f')
- regnum += 32;
+ regnum += 32;
else if (regname[0] == 'v')
- regnum += 77;
+ regnum += 77;
}
else if (regname[0] == 'c' && regname[1] == 'r')
{
p = regname + 2 + (regname[2] == '.');
if (p[0] < '0' || p[0] > '7' || p[1])
- return -1;
+ return -1;
regnum = p[0] - '0' + 68;
}
return regnum;
projects / deliverable / binutils-gdb.git / blobdiff